:root{
  --bg:#111722;--surface:#18202D;--surface-2:#1E2736;--surface-3:#253044;--gold:#F0D89A;--gold-2:#E4C77D;--text:#E8EDF6;--muted:#BAC3D2;--soft:#8F9AAF;--footer:#0B1018;--border:rgba(240,216,154,.14);--shadow:0 16px 42px rgba(0,0,0,.26);--radius:18px;--card:14px;--shell:1280px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.shell{width:min(calc(100% - 44px),var(--shell));margin-inline:auto}.site-main{min-height:70vh}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:var(--bg);box-shadow:0 10px 30px rgba(0,0,0,.24)}.header-inner{max-width:1280px;min-height:72px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px;background:var(--surface)}.brand-mark,.mobile-logo{display:inline-flex;align-items:center}.brand-mark img,.mobile-logo img,.drawer-head img,.footer-brand img{height:46px;width:auto;max-width:165px;object-fit:contain}.logo-placeholder{display:inline-block;width:150px;height:40px;border-radius:10px;background:linear-gradient(90deg,#202a3a,#2b374b)}.main-nav{display:flex;justify-content:center;align-items:center;gap:clamp(12px,1.7vw,26px);min-width:0}.main-nav a{white-space:nowrap;color:var(--muted);font-size:15px;padding:8px 2px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.is-active{color:var(--gold);border-color:var(--gold)}.auth-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:999px;border:1px solid var(--border);font-weight:700;white-space:nowrap}.btn-gold{background:var(--gold);color:#171b22;border-color:transparent}.btn-gold:hover{background:var(--gold-2)}.btn-ghost{background:transparent;color:var(--text)}.category-bar{background:#141c28;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid var(--border)}.category-scroll{max-width:1280px;margin:0 auto;padding:0 22px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin}.category-scroll a{flex:0 0 auto;padding:11px 12px;font-size:13px;color:var(--muted);white-space:nowrap}.category-scroll a:hover{color:var(--gold)}.mobile-header{display:none}.mobile-drawer,.drawer-overlay{display:none}
.hero{padding:34px 0 0}.hero-frame{position:relative}.hero-slide{display:none;position:relative}.hero-slide.is-active{display:block}.hero-copy{position:absolute;left:clamp(18px,4vw,52px);bottom:clamp(18px,3vw,42px);z-index:2;max-width:520px;padding:20px 22px;border-radius:16px;background:rgba(11,16,24,.76);backdrop-filter:blur(8px)}.hero-copy h1,.hero-copy h2{margin:0 0 8px;font-size:clamp(30px,4vw,52px);line-height:1.15;color:var(--gold)}.hero-copy p{margin:0 0 14px;color:var(--muted);font-size:16px}.hero-dots{display:flex;justify-content:center;gap:9px;margin-top:14px}.hero-dots button{width:34px;height:8px;padding:0;border:0;border-radius:999px;background:#364256;cursor:pointer}.hero-dots button.is-active{background:var(--gold)}
.section{padding:82px 0}.section-tight{padding:58px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-title h2{margin:0;color:var(--gold);font-size:clamp(28px,3vw,40px);line-height:1.25}.section-title p{max-width:650px;margin:0;color:var(--soft)}.eyebrow{display:inline-block;margin-bottom:10px;color:var(--gold-2);font-size:13px;letter-spacing:.14em;text-transform:uppercase}.lead{font-size:18px;color:var(--muted);max-width:820px}.text-link{color:var(--gold);text-decoration:underline;text-underline-offset:4px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.panel-soft{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius)}.padded{padding:clamp(20px,3vw,34px)}.card{background:var(--surface-2);border:1px solid rgba(240,216,154,.10);border-radius:var(--card);padding:24px}.card h3{margin:0 0 9px;color:var(--gold);font-size:20px}.card p{margin:0;color:var(--muted)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}.split-45{grid-template-columns:minmax(0,.82fr) minmax(0,1fr)}.reading-column{max-width:860px;margin:0 auto}.reading-column h1{font-size:clamp(32px,4.4vw,52px);line-height:1.15;margin:0 0 18px;color:var(--gold)}.reading-column h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin:34px 0 12px;color:var(--gold)}.reading-column h3{font-size:20px;color:var(--gold-2);margin:26px 0 8px}.reading-column p{font-size:17px;color:var(--muted);margin:0 0 16px}.page-hero{padding:72px 0 38px}.page-hero .reading-column{max-width:900px}.page-hero .lead{margin-bottom:0}.breadcrumbs{color:var(--soft);font-size:14px;margin-bottom:14px}.content-list{display:grid;gap:12px}.content-list a,.content-list div{display:block;padding:16px 18px;background:var(--surface-2);border:1px solid rgba(240,216,154,.10);border-radius:12px}.content-list a:hover{border-color:var(--gold);color:var(--gold)}.timeline{display:grid;gap:16px}.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}.timeline-item strong{color:var(--gold)}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.topic-card{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;overflow:hidden}.topic-card .topic-body{padding:16px}.topic-card h3{margin:0 0 6px;font-size:18px;color:var(--gold)}.topic-card p{margin:0 0 10px;font-size:14px;color:var(--soft);line-height:1.65}.feature-mosaic{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.feature-stack{display:grid;gap:22px}.sports-mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:minmax(170px,auto);gap:18px}.sports-mosaic .wide{grid-row:span 2}.feedback-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.quote{padding:22px;border-left:3px solid var(--gold);background:var(--surface-2);border-radius:0 14px 14px 0;color:var(--muted)}.faq-list{display:grid;gap:16px}.faq-item{padding:22px;background:var(--surface-2);border:1px solid var(--border);border-radius:14px}.faq-item h3{margin:0 0 7px;color:var(--gold);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.notice{padding:22px 24px;border-radius:14px;background:#151e2b;border:1px solid var(--border);color:var(--muted)}.notice strong{color:var(--gold)}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#111722;border:1px solid rgba(240,216,154,.10)}.media img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center center}.media-placeholder{background:linear-gradient(135deg,#151c29,#202a3a)}.media-hero{aspect-ratio:16/7;min-height:260px;max-height:380px}.media-topic{aspect-ratio:16/10;min-height:150px;max-height:210px}.media-main{aspect-ratio:4/3;min-height:220px;max-height:320px}.media-app{aspect-ratio:4/3;min-height:210px;max-height:300px}.media-wide{aspect-ratio:16/7;min-height:240px;max-height:360px}
.site-footer{background:var(--footer);padding:58px 0 28px;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:34px}.footer-grid h3{margin:0 0 12px;color:var(--gold);font-size:16px}.footer-grid a{display:block;color:var(--muted);margin:7px 0;font-size:14px}.footer-grid a:hover{color:var(--gold)}.footer-brand p{color:var(--soft);max-width:360px}.footer-note{border-top:1px solid rgba(255,255,255,.06);margin-top:32px;padding-top:22px;display:flex;justify-content:space-between;gap:22px;color:var(--soft);font-size:13px}.desktop-tools{position:fixed;right:18px;bottom:24px;z-index:1500;display:grid;gap:8px}.tool-link{border:1px solid var(--border);background:var(--surface-2);color:var(--text);padding:9px 12px;border-radius:10px;font-size:13px;text-align:center;cursor:pointer}.tool-primary{background:var(--gold);color:#171b22}.mobile-bottom{display:none}
@media (max-width:1100px){.header-inner{gap:14px;padding:0 16px}.main-nav{gap:11px}.main-nav a{font-size:14px}.btn{padding:0 14px}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sports-mosaic{grid-template-columns:1fr 1fr}.sports-mosaic .wide{grid-row:auto;grid-column:1/-1}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:900px){.desktop-header,.category-bar{display:none}.mobile-header{height:64px;padding:0 14px;display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:10px;background:var(--surface)}.mobile-logo{justify-self:center;min-width:0}.mobile-logo img{height:42px;max-width:145px}.menu-toggle{width:42px;height:42px;padding:9px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2);display:grid;align-content:center;gap:4px}.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:auto}.mobile-register{min-height:38px;padding:0 12px;font-size:13px}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(86vw,330px);z-index:12000;background:#18202D;transform:translateX(-102%);transition:transform .2s ease;overflow-y:auto;padding:16px}.mobile-drawer.is-open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;z-index:11000;background:rgba(0,0,0,.58)}.drawer-overlay.is-visible{display:block}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 0 14px;border-bottom:1px solid var(--border)}.drawer-head img{height:42px;max-width:145px}.drawer-close{width:38px;height:38px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2);color:var(--text);font-size:27px;line-height:1}.drawer-group{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.06)}.drawer-group strong{display:block;color:var(--gold);font-size:13px;margin-bottom:8px}.drawer-group a{display:block;padding:7px 4px;color:var(--muted);font-size:15px}.section{padding:64px 0}.section-tight{padding:48px 0}.feature-mosaic,.split,.split-45{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.desktop-tools{display:none}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(5,1fr);background:#101722;border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{padding:10px 4px;text-align:center;color:var(--muted);font-size:13px}.site-footer{padding-bottom:88px}.media-hero{aspect-ratio:16/8;min-height:220px;max-height:320px}.hero-copy{max-width:440px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.footer-brand{grid-column:1/-1}}
@media (max-width:640px){.shell{width:min(calc(100% - 28px),var(--shell))}.mobile-header{grid-template-columns:42px minmax(0,1fr) auto;padding:0 10px;gap:7px}.mobile-logo img{height:38px;max-width:122px}.mobile-register{font-size:12px;padding:0 10px}.hero{padding-top:18px}.hero-slide{padding-bottom:0}.hero-copy{position:relative;left:auto;bottom:auto;max-width:none;margin-top:12px;padding:18px;background:var(--surface)}.hero-copy h1,.hero-copy h2{font-size:32px}.media-hero{aspect-ratio:16/10;min-height:190px;max-height:280px}.section-title{display:block}.section-title p{margin-top:10px}.page-hero{padding:48px 0 20px}.grid-2,.grid-3,.grid-4,.sports-mosaic,.feedback-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card .topic-body{padding:13px}.topic-card h3{font-size:16px}.timeline-item{grid-template-columns:1fr;gap:5px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-note{display:block}.footer-note p{margin:8px 0}.reading-column p{font-size:16px}.media-topic{min-height:150px;max-height:200px}}
@media (max-width:390px){.mobile-logo img{max-width:112px;height:36px}.mobile-register{padding:0 9px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card p{font-size:13px}.hero-copy h1,.hero-copy h2{font-size:30px}}